- Waw, grandpa! Have you read all of these books?
- All of them, i have dedicated them my life. I have studied very deeply who were the egyptians, the persians, the greeks, the etruskian, the romans... And also who were the mayas, the aztecas, the incas...
- And us, grandpa? Who are we?

- And your grandpa?
- In the library, crying.